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Finding the Fourth Proportional to 496,937.51, 684,954.90 and 351,555.47

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Solution

The fourth proportional to 496,937.51, 684,954.90 and 351,555.47 is: 484,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,937.51 : 684,954.90 = 351,555.47 : x
  2. Step 2: Convert to fraction form
    496,937.51/684,954.90 = 351,555.47/x
  3. Step 3: Cross multiply
    496,937.51x = 684,954.90 × 351,555.47
  4. Step 4: Simplify right side
    496,937.51x = 240,799,638,373.53
  5. Step 5: Solve for x
    x = 240,799,638,373.53/496,937.51
  6. Step 6: Final answer
    x = 484,567.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.